<?php
// +----------------------------------------------------------------------
// | When work is a pleasure, life is a joy!
// +----------------------------------------------------------------------
// | User: ShouKun Liu  |  Email:24147287@qq.com  | Time:2016/12/11 23:46
// +----------------------------------------------------------------------
// | TITLE: this to do?
// +----------------------------------------------------------------------

/**
 * @param $expTitle
 * @param $expCellName
 * @param $expTableData
 * @param string $fileName
 */
function exportExcel($expTitle, $expCellName, $expTableData , $fileName='')
{
    $xlsTitle = iconv('utf-8', 'gb2312', $expTitle);//文件名称
    if (empty( $fileName)) {
        $fileName = $_SESSION['loginAccount'] . date('_YmdHis');//or $xlsTitle 文件名称可根据自己情况设定
    }
     $cellNum = count($expCellName);
    $dataNum = count($expTableData);

    import("Org.Util.PHPExcel");
    $objPHPExcel = new PHPExcel();
    $cellName = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'AA', 'AB', 'AC', 'AD', 'AE', 'AF', 'AG', 'AH', 'AI', 'AJ', 'AK', 'AL', 'AM', 'AN', 'AO', 'AP', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AV', 'AW', 'AX', 'AY', 'AZ');

    $objPHPExcel->getActiveSheet(0)->mergeCells('A1:' . $cellName[$cellNum - 1] . '1');//合并单元格
    $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', $expTitle . '  Export time:' . date('Y-m-d H:i:s'));
    for ($i = 0; $i < $cellNum; $i++) {
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i] . '2', $expCellName[$i][1]);
    }
    // Miscellaneous glyphs, UTF-8
    for ($i = 0; $i < $dataNum; $i++) {
        for ($j = 0; $j < $cellNum; $j++) {
            $objPHPExcel->getActiveSheet(0)->setCellValue($cellName[$j] . ($i + 3), $expTableData[$i][$expCellName[$j][0]]);
        }
    }

    header('pragma:public');
    header('Content-type:application/vnd.ms-excel;charset=utf-8;name="' . $xlsTitle . '.xls"');
    header("Content-Disposition:attachment;filename=$fileName.xls");//attachment新窗口打印inline本窗口打印
    $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
    $objWriter->save('php://output');
    exit;
}

function importExcel($file)
{
    if (!file_exists($file)) {
        return array("error" => 0, 'message' => 'file not found!');
    }

    import("Org.Util.PHPExcel.IOFactory");
    $objReader = PHPExcel_IOFactory::createReader('Excel5');
    try {
        $PHPReader = $objReader->load($file);
    } catch (Exception $e) {
    }
    if (!isset($PHPReader)) return array("error" => 0, 'message' => 'read error!');
    $allWorksheets = $PHPReader->getAllSheets();
    $i = 0;
    foreach ($allWorksheets as $objWorksheet) {
        $sheetname = $objWorksheet->getTitle();
        $allRow = $objWorksheet->getHighestRow();//how many rows
        $highestColumn = $objWorksheet->getHighestColumn();//how many columns
        $allColumn = PHPExcel_Cell::columnIndexFromString($highestColumn);
        $array[$i]["Title"] = $sheetname;
        $array[$i]["Cols"] = $allColumn;
        $array[$i]["Rows"] = $allRow;
        $arr = array();
        $isMergeCell = array();
        foreach ($objWorksheet->getMergeCells() as $cells) {//merge cells
            foreach (PHPExcel_Cell::extractAllCellReferencesInRange($cells) as $cellReference) {
                $isMergeCell[$cellReference] = true;
            }
        }
        for ($currentRow = 1; $currentRow <= $allRow; $currentRow++) {
            $row = array();
            for ($currentColumn = 0; $currentColumn < $allColumn; $currentColumn++) {
                ;
                $cell = $objWorksheet->getCellByColumnAndRow($currentColumn, $currentRow);
                $afCol = PHPExcel_Cell::stringFromColumnIndex($currentColumn + 1);
                $bfCol = PHPExcel_Cell::stringFromColumnIndex($currentColumn - 1);
                $col = PHPExcel_Cell::stringFromColumnIndex($currentColumn);
                $address = $col . $currentRow;
                $value = $objWorksheet->getCell($address)->getValue();
                if (substr($value, 0, 1) == '=') {
                    return array("error" => 0, 'message' => 'can not use the formula!');
                    exit;
                }
                if ($cell->getDataType() == PHPExcel_Cell_DataType::TYPE_NUMERIC) {
                    $cellstyleformat = $cell->getParent()->getStyle($cell->getCoordinate())->getNumberFormat();
                    $formatcode = $cellstyleformat->getFormatCode();
                    if (preg_match('/^([$[A-Z]*-[0-9A-F]*])*[hmsdy]/i', $formatcode)) {
                        $value = gmdate("Y-m-d", PHPExcel_Shared_Date::ExcelToPHP($value));
                    } else {
                        $value = PHPExcel_Style_NumberFormat::toFormattedString($value, $formatcode);
                    }
                }
                if ($isMergeCell[$col . $currentRow] && $isMergeCell[$afCol . $currentRow] && !empty($value)) {
                    $temp = $value;
                } elseif ($isMergeCell[$col . $currentRow] && $isMergeCell[$col . ($currentRow - 1)] && empty($value)) {
                    $value = $arr[$currentRow - 1][$currentColumn];
                } elseif ($isMergeCell[$col . $currentRow] && $isMergeCell[$bfCol . $currentRow] && empty($value)) {
                    $value = $temp;
                }
                $row[$currentColumn] = $value;
            }
            $arr[$currentRow] = $row;
        }
        $array[$i]["Content"] = $arr;
        $i++;
    }
    spl_autoload_register(array('Think', 'autoload'));//must, resolve ThinkPHP and PHPExcel conflicts
    unset($objWorksheet);
    unset($PHPReader);
    unset($PHPExcel);
    unlink($file);
    return array("error" => 1, "data" => $array);
}